| 世贸中心大楼倒塌的分析和对高楼拆除爆破的思考 |
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| 作者单位： | ;1.大连理工大学!辽宁大连116023 |
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| 摘 要： | 世贸中心大楼被飞机撞击后燃起大火 ,梁和柱在高温下蠕变 ,受力状态发生改变 ,形成局部软腰 ,以致原地塌落。两幢高楼坍塌的实例 ,提供了拆除高楼的新思路。对于钢筋混凝土高楼 ,只需在梁和柱的连接处以及梁的中部钻孔爆破 ,即可实现原地塌落。
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| 关 键 词： | 世贸大楼 受力分析 拆除爆破 原地塌落 |
BLASTING DESIGN AND OPERATION FOR DEMOLITION OF A BRICK-STRUCTURAL BUILDING |
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| Affiliation: | ,LI Shou ju (Dalian University of Technology, Dalian, Liaoning 116023, China) |
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| Abstract: | In this paper, the design and operation of the demolition blasting of a three storey brick structural building are introduced with inclusion of the size of blasting cuts, the selection of blasting parameters, the design of priming circuit, and safeguard measures. |
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| Keywords: | Demolition blasting Blasting parameter Priming circuit Safeguard measures |
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